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36 articles

Technical - Blog

Technical topics and guides.

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Guide to DNS Configuration
Technical
8 min read

Guide to DNS Configuration

DNS configuration can look complicated, but it is critical for both your site and your email. Learn what A, CNAME, MX, and TXT records do and how to avoid the most common mistakes.

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How to Build a Mobile-Friendly Site
Technical
10 min read

How to Build a Mobile-Friendly Site

Over 60% of traffic in the UK and Europe comes from mobile in 2026 — and 53% of users leave a site that does not load in 3 seconds. Google indexes the mobile version, not desktop. We show CSS media queries, mobile-first philosophy, Flexbox/Grid layout, AMP framework, button dimensions (44x44px minimum), and testing tools (Mobile-Friendly Test, PageSpeed Insights, BrowserStack).

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How to Create a Sitemap for Your Site
Technical
8 min read

How to Create a Sitemap for Your Site

Without an XML sitemap, Googlebot wanders your site like a tourist without a map — and skips valuable pages. A sitemap can hold 50,000 URLs or 50MB and tells the search engine: "here is everything, here is when I changed it". We cover structure, plugins for WordPress (Yoast, Rank Math), Screaming Frog for static sites, submission via Google Search Console, and 6 best practices for 2026.

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Guide to the .htaccess File
Technical
10 min read

Guide to the .htaccess File

Six lines in an .htaccess file can block hotlinking, speed up a site by 60% via GZIP, and protect wp-admin from 1,000 brute force attempts a day — with zero development time. We break down 301/302 redirects, forcing HTTPS, blocking bots by User-Agent, mod_expires caching (1 year for images, 1 month for CSS), custom error pages, and the 5 most common mistakes that take a site down.

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What Is Cache and How It Speeds Up a Site
Technical
9 min read

What Is Cache and How It Speeds Up a Site

A WordPress site without caching generates every page from scratch on every visit — queries the database, runs PHP, assembles HTML. With cache: 80% faster load for return visitors. We break down 4 caching layers: browser cache (Cache-Control headers, ETag), server cache (page, OPcache, object), CDN cache (edge servers worldwide), and WordPress plugins (LiteSpeed Cache, WP Rocket, W3 Total Cache) — and when caching breaks dynamic pages.

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What Is SMTP and How It Works
Technical
9 min read

What Is SMTP and How It Works

Detailed explanation of the SMTP protocol — how email sending works, which ports are used, authentication, TLS encryption, and how to fix the most common email delivery issues.

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Guide to the WordPress REST API
Technical
10 min read

Guide to the WordPress REST API

The WordPress REST API opens the door to headless architecture, mobile apps, and custom integrations — but most developers misconfigure it. A detailed guide through REST API endpoints (/wp/v2/posts, /wp/v2/users), authentication options (Application Passwords vs OAuth vs JWT), rate limiting, and how to properly disable endpoints you do not use.

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What Is MariaDB and Why It Is Popular
Technical
9 min read

What Is MariaDB and Why It Is Popular

MariaDB is a drop-in replacement for MySQL used by Wikipedia, Google, and most enterprise hosting providers in 2026 — for good reason. Learn what makes MariaDB fast (up to 2x faster queries than MySQL in tests), 100% compatible with MySQL applications, an open license unlike Oracle MySQL, and which version (10.6 LTS, 11.4) is optimal for WordPress.

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What Are WebSockets and How They Work
Technical
9 min read

What Are WebSockets and How They Work

WebSockets cut latency from 300ms (HTTP polling) to under 10ms — that is why Slack, Trello, and all real-time apps feel so fast. Learn how WebSockets maintain a persistent connection between client and server, where they are used (chat, notifications, live dashboards), and which hosting options support the protocol.

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What Is Caching and the Types of Caching
Technical
10 min read

What Is Caching and the Types of Caching

A site without caching uses 10-50x more CPU resources per visitor and loads 3-5 seconds slower — a direct hit on SEO and conversions. Learn how browser cache, page cache, object cache (Redis), opcode cache (OPcache), and CDN cache work, plus how BeoHosting LiteSpeed Cache automatically handles every layer.

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What Are HTTP/2 and HTTP/3 and Why They Matter
Technical
10 min read

What Are HTTP/2 and HTTP/3 and Why They Matter

HTTP/3 uses the QUIC protocol, which eliminates TCP problems and speeds up sites by 30-50% on poor networks (3G, mobile). Learn the differences between HTTP/1.1, HTTP/2, and HTTP/3, how multiplexing and 0-RTT work, and why BeoHosting LiteSpeed servers use HTTP/3 by default on every hosting plan.

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What Is an IP Address and How It Works
Technical
9 min read

What Is an IP Address and How It Works

Every device on the internet has an IP address — but the difference between public and private, IPv4 and IPv6 is the difference between your site working and not. Learn how IP addresses, NAT, and DNS resolution work, why IPv4 is disappearing, and what IP solution BeoHosting offers (dedicated IP from €14.01/year).

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What Is Containerization and Docker for Hosting
Technical
10 min read

What Is Containerization and Docker for Hosting

Docker cut deploy times from several hours to a few minutes — and that is why 78% of companies in 2026 use containers. Learn how Docker, Kubernetes, container registries, and orchestration work, plus how BeoHosting VPS solutions from €16.83/mo support Docker workloads for modern applications.

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What Is RAID and Why It Matters for Servers
Technical
10 min read

What Is RAID and Why It Matters for Servers

A disk failure happens on average every 3 years — without a RAID configuration, total data loss is only a matter of time. Learn the differences between RAID 0, 1, 5, 6, and 10, when to use hardware vs software RAID, and how BeoHosting dedicated servers use RAID 1 and RAID 10 by default for 99.9% uptime.

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What Is an SSH Tunnel and How to Use It
Technical
11 min read

What Is an SSH Tunnel and How to Use It

An SSH tunnel is the most common way developers access a MySQL database from a local machine without exposing port 3306 to the internet — but most do not know the difference between local, remote, and dynamic forwarding. Master all three SSH tunnel types, how to set up a SOCKS proxy, and how to safely work on a BeoHosting VPS.

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What Is Git and Why You Should Use It
Technical
11 min read

What Is Git and Why You Should Use It

Without a version control system, one wrong edit can cost you a week of work — Git is the standard that solves the problem for good. Learn what commits, branches, merges, and pull requests are, how they fit into a GitHub/GitLab workflow, and how BeoHosting supports Git deployment from a repository.

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What Is Web Accessibility
Technical
12 min read

What Is Web Accessibility

In the EU, starting June 28, 2025, all B2C sites must be WCAG 2.1 AA compliant — fines go up to EUR 50,000. Learn the 4 accessibility principles (perceivable, operable, understandable, robust), how to test a site with screen readers, alt text, contrast, and keyboard navigation for the 2026 standard.

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